| 摘要 |
A prosthetic device for use as a temporary substitute for a leg that is injured below the knee includes a shelf for supporting the lower leg in a nonweight-bearing position and for supporting the knee in a weight-bearing position. A foldable strut extends below the shelf for supporting a person's weight while standing or walking, and it can be folded to a position adjacent the shelf and lower leg when the person is sitting. A pivotal hinge for connecting the strut to the shelf is skewed in relation to the shelf to position the strut inside the person's lower leg and foot when folded, so it can be used to bear weight as the person rises from a sitting position to a standing position. A stabilizing frame extends upwardly form the shelf for anchoring the prosthetic device to the person's thigh and hip region. Another pivotal hinge connects the stabilizing frame to the shelf. The pivotal hinges are automatically self-latching at positions where the strut and the stabilizing frame are approximately perpendicular to the shelf. These self-latching hinges in combination with the strut that folds to a position alongside the person's foot accommodates hands-free operation while the person is rising from a sitting to a standing position. A weight-bearing handle or hand rest extends upwardly from the stabilizer frame for the person to apply additional stabilizing forces or weight shifting forces with his or her hand.
|
